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Estimates Only: This calculator provides estimates based on typical usage. Contact your water company for exact rates.
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Use our free water bills calculator UK to get a water bill estimate. This water bill calculator provides accurate water bills estimates for both metered and unmetered UK households.
Our detailed water bill calculator UK with regional water company rates is coming soon. In the meantime, use our main Water Meter Calculator to estimate your water bills.
Use Water Meter CalculatorUnderstanding how your water bill is calculated helps you use our water bill calculator UK effectively. UK water bills consist of several components that our water bill calculator takes into account.
Your UK water bill typically includes:
Our water bill calculator UK uses these components to estimate your annual water bill.
Water bill charges vary by region. The water bill calculator UK considers rates from:
Ofwat regulates water bills and prices in England and Wales.
Average bill from Water UK, Annual average bill changes 2026-27; metered rate ranges from each company's published 2026-27 charges (see our water rates page). Your actual water bill may vary based on your water company and usage.
£639
Average annual water bill (Water UK)
£1.6169 to £3.518
Per m³ water charge
£1.4721 to £4.6858
Per m³ sewerage charge
145L
Avg. usage/person/day
An unmetered water bill is based on your property's rateable value, not its number of bedrooms, so there is no reliable typical figure for a size of home. Your current bill shows what you pay.
To compare it with a metered estimate, enter it in the water meter calculator with your company's metered rates.
Use our other free calculators alongside the water bill calculator UK to understand your water costs.
For official water bill guidance, visit these trusted UK resources.
While our dedicated water bill calculator UK is coming soon, use our Water Meter Calculator to estimate your water bill.
Estimate Your Water Bill